Organic compounds and their synthesis





4. IN THE METHOD OF PREPARING A TRI-LOWER ALKYL ESTER OF 2-METHYL-3-ACETYL-4,5,6-PYRIDINETRICARBOXYLIC ACID, THE PROCESS STEP WHICH COMPRISES HEATING A LOWER ALKYL ESTER OF A-KETO-Y-ALKOXYACONITIC ACID WITH IMINOACETYLACETONE. 